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High-voltage electric field inductive energy take-off device

A technology of inductive energy extraction and high-voltage electric field, applied in circuit devices, electrical components, etc., can solve the problems of limited battery life, inability to withstand low ambient temperature, and large environmental factors.

Pending Publication Date: 2019-01-11
ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID NINGXIA ELECTRIC POWER COMPANY +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this power supply method is greatly affected by environmental factors. Extreme weather such as strong winds, rain, dust, etc. will affect safety and power supply stability.
In addition, the battery life is limited and cannot withstand lower ambient temperatures

Method used

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Effect test

Embodiment 1

[0016] The content of the present invention is based on the metal pole plate design for inductive energy harvesting. figure 1 For the application environment of the present invention, the power supply system based on induction energy harvesting technology is shown in the figure. The metal plate obtains the induced current, cooperates with the ground electrode of the power tower, and supplies the energy storage capacitor through the charging circuit (full wave rectification circuit in the figure) together. Charge and use.

[0017] Due to the large size of the pole plate, it has a protruding part relative to the cantilever beam of the insulating tower. In order to install it stably, the top plate should be installed first, and the part that is in contact with the cantilever beam of the top plate should be connected firmly. Then use the green bracket to connect The top plate and the metal pole plate; the subsequent charging circuit and application device are all placed on the tow...

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Abstract

The invention relates to a high-voltage electric field inductive energy extraction device, which is characterized in that it comprises an insulating top plate (1) fixed on a cantilever beam of an electric pole tower, and the insulating top plate (1) is connected with an annular metal induction plate (2) through a connecting piece. The device of the invention has the advantages that the weight of the electrode plate is small and the induced current can be obtained under the size through a large number of simulation analysis and comparison and tests, and the electrode plate can obtain the corresponding induced current through the actual experiment. The device of the invention utilizes an alternating electric field near a high-voltage power transmission line to obtain an induced current on ametal electrode plate near the transmission line according to the electromagnetic induction principle, and realizes the charging and storage and utilization of a large capacitor by means of the current and a corresponding charging circuit.

Description

technical field [0001] The invention relates to a high-voltage electric field induction energy harvesting device. Background technique [0002] There are two power supply methods for the existing high-voltage equipment on-line monitoring equipment: independent energy acquisition and transmission power supply. The transmission power supply method mainly transmits energy from the ground to the online measurement device through media such as optical fiber or microwave, but the main disadvantage of this energy supply method is that it is expensive. The main technical solutions for autonomous power supply include: (1) battery power supply: this method has stable energy supply, but the disadvantage is that it needs regular power outages to replace batteries, and the power system does not allow frequent power outages; (2) current coil power supply: this scheme mainly The current coil installed on the power line is used to obtain energy from the load current through the principle o...

Claims

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Application Information

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IPC IPC(8): H02J50/00H02J5/00
CPCH02J50/00H02J5/005
Inventor 何宁辉吴旭涛高强刘正阳郭飞亓亮沙伟燕张静肖黎刘齐潘佳玉钟丹田曾翔君熊帆
Owner ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID NINGXIA ELECTRIC POWER COMPANY
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